def main():
    T = int(input())
    ans = []
    for _ in range(T):
        N = int(input())
        A = list(map(int, input().split()))
        ans.append('Yes' if solve(N, A) else 'No')
    print(*ans, sep='\n')


def solve(N, A):
    w = 0
    for i in range(N):
        if not A[i] == A[i+N] == i+1:
            break
    else:
        return True
    for i in range(N):
        if A[i] != i+1:
            w = i
            break
    else:
        w = N
    for i in range(w, 2*w-1):
        if A[i] != 2*w-i-1:
            return False
    for i in range(2*w-1, w+N):
        if A[i] != N+2*w-i-1:
            return False
    for i in range(w+N, 2*N):
        if A[i] != i-N+1:
            return False
    else:
        return True


main()